PS

*naḫīr- - nostril (SED I No. 198; Kogan 2011: 221)

The reconstructed vocalic pattern is based on Akk., Hbr., Arm. and rather supported by MSA *naḫrīr--; cf., however, -­u-­ in Arb. nuḫ(a)rat­- and Jud. nḫwr. 

Proto-MSA
*naḫrīr- - nose (Kogan 2015: 540)

Proto-MSA *naḫrīr- ‘nose’ goes back to PS *naḫīr- ‘nostriľ (v. SED I No. 198)

Akkadian
naḫīru - nostril (CAD N₁ 136, AHw. 714)
Hebrew
nəḥīrayim - nostrils (HALOT 686)
Demotic Aramaic
mnḥr - nostril (DNWSI 1260)
Jewish Palestinian Aramaic
nḥyr - nostril (DJPA 346)
Jewish Babylonian Aramaic
nḥīrā - nostril (DJBA 741)
Syriac
nḥīrē - nostrils (LSyr. 424, SL 907)
Mandaic
nhira, anhira, ˁnhira - nose (MD 291)
Maalula
manḫra - nose (GNDM 63)
Mlaḥso
nḥiro - nose (J Mlaḥ. 184)
Turoyo
nḥiro - Nase (nose) (RW 365)
Arabic
nuḫrat- - fore part of the nose (BK 2 1220, Lane 2777)